so, we had newt gingrich and mitt romney. both on the offensive over the last 24 hours. they know that six days is a short time and that s when the caucuses are. what have we been hearing from both of the candidates, mark? well, hala, you re absolutely right. so much on the line, so much at stake here. six days until january 3rd when iowa republicans will caucus and will really kick off what has been already a very long presidential season. well, newt gingrich had pledged not to go negative in this campaign. he had said that he would only go positive and talk about his plan to try to turn the american economy around. well, the gloves have come off and, in fact, he is going negative. yesterday on the situation room with wolf blitzer, he went right after mitt romney. in fact, let s listen to what newt gingrich had to say. all i say mitt is, if you want to run a negative campaign and you want to attack people, at least be man enough to own it. that s your staff and that s